6Pcs HVAC Repairing Set, Boring Drill Bits, Air Conditioner Tube Expander Swaging Tool, Manual Copper Pipe Swage, Soft Copper Tubing Set (1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″)
An affordable, toolbox-friendly swaging/expanding drill bit set designed to help expand soft copper tubing for HVAC air conditioner connections—includes six common sizes from 1/4″ to 7/8″ with a 1/4″ hex handle.